should cost
Verbo irregolare: cost - cost- cost

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I should cost
you should cost
he should cost
we should cost
you should cost
they should cost 	I should be costing
you should be costing
he should be costing
we should be costing
you should be costing
they should be costing	I should have cost
you should have cost
he should have cost
we should have cost
you should have cost
they should have cost	I should have been costing
you should have been costing
he should have been costing
we should have been costing
you should have been costing
they should have been costing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I should not cost
you should not cost
he should not cost
we should not cost
you should not cost
they should not cost 	I should not be costing
you should not be costing
he should not be costing
we should not be costing
you should not be costing
they should not be costing	I should not have cost
you should not have cost
he should not have cost
we should not have cost
you should not have cost
they should not have cost	I should not have been costing
you should not have been costing
he should not have been costing
we should not have been costing
you should not have been costing
they should not have been costing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I cost?
should you cost?
should he cost?
should we cost?
should you cost?
should they cost? 	should I be costing?
should you be costing?
should he be costing?
should we be costing?
should you be costing?
should they be costing? 	should I have cost?
should you have cost?
should he have cost?
should we have cost?
should you have cost?
should they have cost? 	should I have been costing?
should you have been costing?
should he have been costing?
should we have been costing?
should you have been costing?
should they have been costing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I not cost?
should you not cost?
should he not cost?
should we not cost?
should you not cost?
should they not cost? 	should I not be costing?
should you not be costing?
should he not be costing?
should we not be costing?
should you not be costing?
should they not be costing? 	should I not have cost?
should you not have cost?
should he not have cost?
should we not have cost?
should you not have cost?
should they not have cost? 	should I not have been costing?
should you not have been costing?
should he not have been costing?
should we not have been costing?
should you not have been costing?
should they not have been costing?